Recombinant CD274 (Atezolizumab Biosimilar) antibody
Reactivity: Human
FACS, in vivo
Host: Mouse
Monoclonal
unconjugated
Recombinant Antibody
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- Target See all CD274 (Atezolizumab Biosimilar) products
- CD274 (Atezolizumab Biosimilar)
- Antibody Type
- Recombinant Antibody
- Reactivity
- Human
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Host
- Mouse
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Clonality
- Monoclonal
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Conjugate
- This CD274 (Atezolizumab Biosimilar) antibody is un-conjugated
- Application
- Flow Cytometry (FACS), In vivo Studies (in vivo)
- Purpose
- Atezolizumab Biosimilar, Human PD-L1 Monoclonal Antibody
- Specificity
- The in vivo grade atezolizumab biosimilar specifically binds to the human PDL1 protein.
- Characteristics
- Recombinant Humanized IgG1 Monoclonal Antibody.
- Purification
- Protein A affinity column
- Purity
- > 95% by SDS-PAGE under reducing conditions and HPLC.
- Sterility
- 0.2 μm filtered
- Endotoxin Level
- < 1 EU per 1 mg of the protein by the LAL method.
- Immunogen
- The anti-human programmed cell death ligand 1 (PD-L1) monoclonal antibody atezolizumab biosimilar was produced in the atezolizumab biosimilar CHO stable cell line.
- Isotype
- IgG1 kappa
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anti-CD274 (Atezolizumab Biosimilar) antibody
Research Grade Reactivity: Human FACS, ELISA Host: Humanized Monoclonal unconjugated Recombinant Antibody
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- Application Notes
- ELISA, neutralization, functional assays such as bioanalytical PK and ADA assays, and those assays for studying biological pathways affected by atezolizumab.
- Restrictions
- For Research Use only
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- Format
- Liquid
- Concentration
- 1 mg/mL
- Buffer
- PBS, pH 7.4, no stabilizers or preservatives.
- Preservative
- Without preservative
- Handling Advice
- Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
- Storage
- -20 °C
- Storage Comment
- 12 months from date of receipt, -20 to -70°C as supplied. 1 month from date of receipt, 2 to 8°C as supplied.
- Expiry Date
- 12 months
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- Target
- CD274 (Atezolizumab Biosimilar)
- Abstract
- CD274 (Atezolizumab Biosimilar) Products
- Synonyms
- B7-H antibody, B7H1 antibody, PD-L1 antibody, PDCD1L1 antibody, PDCD1LG1 antibody, PDL1 antibody, CD274 molecule antibody, CD274 antibody
- Target Type
- Biosimilar
- Background
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What is Atezolizumab biosimilar research grade? Atezolizumab is a humanized monoclonal antibody directed against the human protein ligand PD-L1, with potential immune checkpoint inhibitory and antineoplastic activities. Atezolizumab is an Fc-engineered, humanized, monoclonal antibody (IgG1κ isotype). Atezolizumab biosimilar uses the same protein sequences as the therapeutic antibody atezolizumab.
PD-L1 (B7-H1 or CD274, programmed cell death ligand 1) and PD-L2 (B2-DC or CD273, programmed cell death ligand 2) are the two ligands for the receptor PD-1 (CD279, programmed death 1). PD-L1 is an immune checkpoint molecule expressed on both tumor cells and certain immune cells. The binding of PD-L1 to its receptors PD-1 or B7.1 on activated T cells causes an inhibitory signal to suppress their production in the lymph nodes, thereby preventing immune responses to events such as pregnancy or autoimmune disease. This pathway is also utilized by cancer cells to evade the immune system through evasion of anti-tumor T-cell response. Furthermore, over-expression of PD-L1 and PD-1 has been linked to increased tumor aggressiveness and poorer prognosis. Atezolizumab binds directly and selectively to PD-L1 and blocks interaction with both PD-1 and B7.1 receptors, thus reinvigorates and enhances the body’s adaptive anti-cancer activity. Disrupting the PD-L1/B7.1 interaction may also enhance T-cell priming, which could result in increased duration of response and survival.
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